Fix NetworkEvents with upstream ovnk

[jotak]

Description

When deploying upstream ovnk (on kind), /var/run/ovn-ic does not exist on host. The required sock can be found in /var/run/openvswitch.

This fix introduces a Openshift/Non-Openshift condition, and also adds the env OVN_OBSERV_HOST_MOUNT_PATH so that the host path can be overridden if necessary (as a last resort fallback; ideally, all use cases should be wired in code)

Dependencies

n/a

Checklist

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• QE requirements (check 1 from the list):
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  • Regression tests only (e.g. refactoring with no user-facing change).
  • No QE (e.g. trivial change with high reviewer's confidence, or per agreement with the QE team).

[openshift-ci]

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[codecov]

Codecov Report

❌ Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 72.53%. Comparing base (7add574) to head (c4abb6a).

Files with missing lines	Patch %	Lines
internal/controller/ebpf/agent_controller.go	88.88%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2461      +/-   ##
==========================================
+ Coverage   72.21%   72.53%   +0.32%     
==========================================
  Files         104      104              
  Lines       10624    10629       +5     
==========================================
+ Hits         7672     7710      +38     
+ Misses       2477     2444      -33     
  Partials      475      475              

Flag	Coverage Δ
unittests	72.53% <88.88%> (+0.32%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
internal/controller/ebpf/agent_controller.go	67.83% <88.88%> (+7.20%)	⬆️

... and 2 files with indirect coverage changes

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[openshift-ci]

@jotak: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/ci-bundle-noo-bundle	c4abb6a	link	true	/test ci-bundle-noo-bundle

Full PR test history. Your PR dashboard.

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[OlivierCazade]

LGTM